diff --git a/include/internal/catch_capture.hpp b/include/internal/catch_capture.hpp
index 9f205465..595336d4 100644
--- a/include/internal/catch_capture.hpp
+++ b/include/internal/catch_capture.hpp
@@ -63,7 +63,7 @@
             CATCH_INTERNAL_UNSUPPRESS_PARENTHESES_WARNINGS \
         } INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
         INTERNAL_CATCH_REACT( catchAssertionHandler ) \
-    } while( Catch::isTrue( false && static_cast<bool>( !!(__VA_ARGS__) ) ) ) // the expression here is never evaluated at runtime but it forces the compiler to give it a look
+    } while( Catch::isTrue(false) && static_cast<bool>( !!(__VA_ARGS__) ) ) // the expression here is never evaluated at runtime but it forces the compiler to give it a look
     // The double negation silences MSVC's C4800 warning, the static_cast forces short-circuit evaluation if the type has overloaded &&.
 
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/include/internal/catch_common.cpp b/include/internal/catch_common.cpp
index 0f2f6eb4..470b7ea9 100644
--- a/include/internal/catch_common.cpp
+++ b/include/internal/catch_common.cpp
@@ -38,7 +38,6 @@ namespace Catch {
         return os;
     }
 
-    bool isTrue( bool value ){ return value; }
     bool alwaysTrue() { return true; }
     bool alwaysFalse() { return false; }
 
diff --git a/include/internal/catch_common.h b/include/internal/catch_common.h
index 617a9343..026ac2bb 100644
--- a/include/internal/catch_common.h
+++ b/include/internal/catch_common.h
@@ -61,7 +61,7 @@ namespace Catch {
     std::ostream& operator << ( std::ostream& os, SourceLineInfo const& info );
 
     // This is just here to avoid compiler warnings with macro constants and boolean literals
-    bool isTrue( bool value );
+    inline bool isTrue( bool value ){ return value; }
     bool alwaysTrue();
     bool alwaysFalse();