diff --git a/platformio_pre.py b/platformio_pre.py
index aa681846..d8d56f87 100644
--- a/platformio_pre.py
+++ b/platformio_pre.py
@@ -65,10 +65,10 @@ version_h = '''
 
 with open('CMakeLists.txt') as cm:
     str = cm.read()
-    v_major = re.findall(r'pip_MAJOR\s+(\d+)\)', str)
-    v_minor = re.findall(r'pip_MINOR\s+(\d+)\)', str)
-    v_rev = re.findall(r'pip_REVISION\s+(\d+)\)', str)
-    v_suffix = re.findall(r'pip_SUFFIX\s+(\w+)\)', str)
+    v_major = re.findall(r'PIP_MAJOR\s+(\d+)\)', str)
+    v_minor = re.findall(r'PIP_MINOR\s+(\d+)\)', str)
+    v_rev = re.findall(r'PIP_REVISION\s+(\d+)\)', str)
+    v_suffix = re.findall(r'PIP_SUFFIX\s+(\w+)\)', str)
     ver = ''
     ver = v_major[0]+'.'+v_minor[0]+'.'+v_rev[0]
     version_h.replace('${VERSION_MAJOR}', v_major[0])