diff --git a/Sources/Core/Debug.h b/Sources/Core/Debug.h
index d1fb0f7e..6c06e437 100644
--- a/Sources/Core/Debug.h
+++ b/Sources/Core/Debug.h
@@ -81,7 +81,12 @@ namespace spades {
 		std::string BacktraceRecordToString(const BacktraceRecord &);
 	}
 	void StartLog();
-	void LogMessage(const char *file, int line, const char *format, ...);
+
+	void LogMessage(const char *file, int line, const char *format, ...)
+#ifdef __GNUC__
+	  __attribute__((format(printf, 3, 4)))
+#endif
+	  ;
 }
 
 #ifdef _MSC_VER
diff --git a/Sources/Core/Strings.cpp b/Sources/Core/Strings.cpp
index 922813f3..cedd3b76 100644
--- a/Sources/Core/Strings.cpp
+++ b/Sources/Core/Strings.cpp
@@ -1186,7 +1186,7 @@ namespace spades {
 			if (cat == nullptr) {
 				if (!currentLocaleRegion.empty()) {
 					SPLog("Catalog file for the locale '%s' was not found. (domain='%s')",
-					      domainName.c_str());
+					      currentLocaleRegion.c_str(), domainName.c_str());
 				}
 				SPLog("Using the default locale. (domain='%s')", domainName.c_str());
 			}
diff --git a/Sources/Draw/GLAmbientShadowRenderer.cpp b/Sources/Draw/GLAmbientShadowRenderer.cpp
index 09c8a0d1..a910abb1 100644
--- a/Sources/Draw/GLAmbientShadowRenderer.cpp
+++ b/Sources/Draw/GLAmbientShadowRenderer.cpp
@@ -89,7 +89,7 @@ namespace spades {
 						c.cz = z;
 					}
 
-			SPLog("Chunk buffer allocated (%d bytes)", sizeof(Chunk) * chunkW * chunkH * chunkD);
+			SPLog("Chunk buffer allocated (%d bytes)", (int) sizeof(Chunk) * chunkW * chunkH * chunkD);
 
 			// make texture
 			texture = device->GenTexture();
diff --git a/Sources/Draw/GLRadiosityRenderer.cpp b/Sources/Draw/GLRadiosityRenderer.cpp
index e7184513..63ea3f8b 100644
--- a/Sources/Draw/GLRadiosityRenderer.cpp
+++ b/Sources/Draw/GLRadiosityRenderer.cpp
@@ -109,7 +109,7 @@ namespace spades {
 						c.cz = z;
 					}
 
-			SPLog("Chunk buffer allocated (%d bytes)", sizeof(Chunk) * chunkW * chunkH * chunkD);
+			SPLog("Chunk buffer allocated (%d bytes)", (int) sizeof(Chunk) * chunkW * chunkH * chunkD);
 
 			// make texture
 			textureFlat = device->GenTexture();