diff --git a/SourceSFSVN/SourceSFSVN.php b/SourceSFSVN/SourceSFSVN.php
index 56546c6..f6fb46d 100644
--- a/SourceSFSVN/SourceSFSVN.php
+++ b/SourceSFSVN/SourceSFSVN.php
@@ -38,6 +38,12 @@
 		);
 	}
 
+	function errors() {
+		return array(
+			'SVNPathInvalid' => 'Path to Subversion binary invalid or inaccessible',
+		);
+	}
+
 	function get_types( $p_event ) {
 		return array( 'sfsvn' => lang_get( 'plugin_SourceSFSVN_svn' ) );
 	}
diff --git a/SourceSFSVN/pages/config_update.php b/SourceSFSVN/pages/config_update.php
index 07a6fab..9b9aa22 100644
--- a/SourceSFSVN/pages/config_update.php
+++ b/SourceSFSVN/pages/config_update.php
@@ -32,7 +32,10 @@
 			is_executable( $f_svnpath . DIRECTORY_SEPARATOR . 'svn' ) ) {
 
 			plugin_config_set( 'svnpath', $f_svnpath );
+		} else {
+			plugin_error( 'SVNPathInvalid' );
 		}
+
 	}
 }
 
diff --git a/SourceWebSVN/SourceWebSVN.php b/SourceWebSVN/SourceWebSVN.php
index c558fdd..50a807d 100644
--- a/SourceWebSVN/SourceWebSVN.php
+++ b/SourceWebSVN/SourceWebSVN.php
@@ -38,6 +38,12 @@
 		);
 	}
 
+	function errors() {
+		return array(
+			'SVNPathInvalid' => 'Path to Subversion binary invalid or inaccessible',
+		);
+	}
+
 	function get_types( $p_event ) {
 		return array( 'svn' => lang_get( 'plugin_SourceWebSVN_svn' ) );
 	}
diff --git a/SourceWebSVN/pages/config_update.php b/SourceWebSVN/pages/config_update.php
index 6d476d5..5645931 100644
--- a/SourceWebSVN/pages/config_update.php
+++ b/SourceWebSVN/pages/config_update.php
@@ -32,6 +32,8 @@
 			is_executable( $f_svnpath . DIRECTORY_SEPARATOR . 'svn' ) ) {
 
 			plugin_config_set( 'svnpath', $f_svnpath );
+		} else {
+			plugin_error( 'SVNPathInvalid' );
 		}
 	}
 }