diff --git a/YACReader/YACReader.pro b/YACReader/YACReader.pro
index 31f6cb33..24a05ce0 100644
--- a/YACReader/YACReader.pro
+++ b/YACReader/YACReader.pro
@@ -40,18 +40,22 @@ TRANSLATIONS = yacreader_es.ts \
 								  yacreader_source.ts  
 
 
-win32:!exists (../compressed_archive/lib7zip) {
+win32 {
+!exists (../compressed_archive/lib7zip) {
 	error(You\'ll need 7zip source code to compile YACReader. \
 	Please check the compressed_archive folder for further instructions.)
 }
+}
 
-unix:exists (../compressed_archive/libp7zip) {
+unix {
+exists (../compressed_archive/libp7zip) {
 	message(Found p7zip source code...)
 	system(patch -d ../compressed_archive -N -p0 -i libp7zip.patch)
 } else {
 	error(You\'ll need 7zip source code to compile YACReader. \
 	Please check the compressed_archive folder for further instructions.)
 }
+}
 
 unix:!macx {
 #set install prefix if it's empty
@@ -91,4 +95,4 @@ desktop.files = ../YACReader.desktop
 
 translation.path = $$DATADIR/YACReader/languages
 translation.files = ../release/languages/yacreader_*
-}
\ No newline at end of file
+}
diff --git a/YACReaderLibrary/YACReaderLibrary.pro b/YACReaderLibrary/YACReaderLibrary.pro
index 79bd5c68..a97ade55 100644
--- a/YACReaderLibrary/YACReaderLibrary.pro
+++ b/YACReaderLibrary/YACReaderLibrary.pro
@@ -191,17 +191,21 @@ isEqual(QT_MAJOR_VERSION, 5) {
 	Debug:DESTDIR = ../debug
 }
 
-win32:!exists (../compressed_archive/lib7zip) {
-	error(You\'ll need 7zip source code to compile YACReader. \
-	Please check the compressed_archive folder for further instructions.)
+win32 {
+!exists(../compressed_archive/lib7zip){
+        error(You\'ll need 7zip source code to compile YACReader. \
+        Please check the compressed_archive folder for further instructions.)
+}
 }
 
-unix:exists (../compressed_archive/libp7zip) {
-	message(Found p7zip source code...)
-	system(patch -d ../compressed_archive -N -p0 -i libp7zip.patch)
+unix {
+exists (../compressed_archive/libp7zip) {
+        message(Found p7zip source code...)
+        system(patch -d ../compressed_archive -N -p0 -i libp7zip.patch)
 } else {
-	error(You\'ll need 7zip source code to compile YACReader. \
-	Please check the compressed_archive folder for further instructions.)
+        error(You\'ll need 7zip source code to compile YACReader. \
+        Please check the compressed_archive folder for further instructions.)
+}
 }
 
 unix:!macx {
@@ -239,4 +243,4 @@ desktop.files = ../YACReaderLibrary.desktop
 
 translation.path = $$DATADIR/YACReader/languages
 translation.files = ../release/languages/yacreaderlibrary_*
-}
\ No newline at end of file
+}